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Two chimpanzees on Ngamba Island, Uganda

Chimpanzees can prepare for alternative futures

20 June 2023

Our closest relatives, chimpanzees, seem able to think ahead and prepare for two possible futures – the only animal apart from humans known to do so
Inhaling leaded petrol as a child may affect an adult's IQ

Leaded petrol may have lowered the IQ of over half the US population

7 March 2022

Exposure to leaded petrol as a child has been linked to an average IQ drop of 2.6 points among US adults, increasing to 5.9 points among those born in the mid-to-late 1960s

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